<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>充值</title>
</head>
<body>
    <form action="/recharge" method="post" enctype="application/x-www-form-urlencoded">
        <!-- name是参数名 -->
        <!-- http://127.0.0.1:5000/index -->
        手机号：<input type="text" name="mobilephone"><br>
        充值金额：<input type="text" name="amount"><br>
        <button id="ok">确定</button>
    </form>
</body>
</html>